2536430-6 MOPAR Block 440

Review MOPAR Hp Block Dated 1-23-70 Rare for 440

Mopar 2536430-6 440 HP Block for Engines Manufactured Between 1970 and 1973 (1-23-70)

The Mopar 2536430-6 440 HP Block is an essential component for engine enthusiasts and restorers who are seeking to build or rebuild high-performance engines based on the legendary 440 cubic inch (7.2 liter) engine. This block, manufactured between 1970 and 1973, carries the part number 1-23-70.

This Mopar engine block is specifically designed for high horsepower applications, making it an excellent choice for those looking to achieve impressive power outputs. The block is machined to accept a 440 HP crankshaft and features a cast-iron construction for enhanced durability.

The 1-23-70 Mopar engine block comes with several important features that contribute to its exceptional performance capabilities. These features include:

1. Four-bolt main caps: This design improves the engine's structural rigidity and reduces the chance of crankshaft deflection under high horsepower loads.

2. High-performance oiling system: The block includes an upgraded oil pump and deep sump design, ensuring optimal oil flow and cooling for the engine.

3. Thick cylinder walls: The block's increased cylinder wall thickness enhances its ability to withstand the added pressures of high-horsepower applications.

4. Crack-detected and reconditioned: Each block is thoroughly inspected and reconditioned to ensure the highest quality and durability.

To ensure a perfect fit and seamless installation, the Mopar 2536430-6 440 HP Block for engines manufactured between 1970 and 1973 comes with the following standard features:

1. Factory-matched bore finish: The block's cylinder bores are precision-machined to ensure a proper fit with the pistons and rings.

2. OEM-specified deck surface: The block's deck surface is machined to match the factory specifications for optimal piston-to-block clearance.

3. Precision-machined crankshaft flange: The crankshaft flange is machined to ensure proper alignment and fit with the crankshaft.

By choosing the Mopar 2536430-6 440 HP Block for engines manufactured between 1970 and 1973, you'll be investing in a high-performance and durable engine component that will help you build or rebuild a powerful and reliable engine. Whether you're a seasoned engine builder or just starting out, this block is an essential addition to your project.

Mopar 2536430-6 440 HP Block (1-23-70): A Detailed Analysis

The Mopar 2536430-6 440 HP Block (1-23-70) is a high-performance engine component designed for Chrysler's legendary 440 cubic inch V8 engine. This block is known for its increased horsepower capacity. In this analysis, we will discuss the pros and cons of purchasing this engine block to help you make an informed decision.

1. Increased Horsepower: The primary reason for choosing this engine block is its ability to support 440 horsepower, making it an excellent choice for high-performance applications.

2. Durability: The Mopar 2536430-6 440 HP Block is cast from premium iron, ensuring superior strength and durability.

3. Enhanced Cooling: This engine block features an improved cooling system, which is crucial for maintaining optimal engine temperature during high-performance driving.

4. High-Quality Materials: Mopar, a renowned automotive parts manufacturer, produces this engine block using top-tier materials, ensuring long-lasting performance.

1. Cost: The Mopar 2536430-6 440 HP Block is a premium engine component, and its price reflects its high-performance capabilities.

2. Installation Complexity: Installing this engine block requires a significant amount of expertise and specialized tools, making it a challenging DIY project for most enthusiasts.

3. Availability: Due to its high-performance nature, this engine block may not be readily available in all markets, making sourcing it an additional challenge.

4. Compatibility: Ensure this engine block is compatible with your specific 440 cubic inch V8 engine application before making a purchase.

The Mopar 2536430-6 440 HP Block (1-23-70) is a high-performance engine component designed for enthusiasts seeking increased horsepower and durability. Its premium quality, enhanced cooling system, and superior strength make it a valuable investment for those looking to build a high-performance Chrysler engine. However, its cost, installation complexity, limited availability, and compatibility requirements are essential considerations that need to be factored into your decision-making process.

If you are an experienced engine builder or have access to specialized tools and resources, the Mopar 2536430-6 440 HP Block (1-23-70) can be an excellent investment for your high-performance Chrysler engine project. However, if you are new to engine building, it might be more prudent to consider less complex and costly alternatives. In such cases, consider consulting a professional engine builder or performance shop to help you achieve your performance goals.

Details:

specifications engineblocksam:

• for models: 440
• brand: Mopar
• mpn: 2536430-6
• type: Engine Block
• material: Cast Iron
• country/region of manufacture: United States
• vintage part: Yes

offer engineblocksam:

• availability: in stock
• in stock #: 5
• sold #: 16
• options: seller-arranged-local-pickup
• best offers: true
• prices: $230.85–$1999.00
• item condition:
  • Used
  • New
• started: october 1, 2025

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• policy: no returns

seller engineblocksam:

• rating: 100.0%
• # reviews: 1188
• city: miami, florida

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• category: Auto Parts > Car Truck Accessories > Engines > Blocks

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